A star has an apparent magnitude of 6 and an absolute magnitude of 3. How far is the star from Earth?
Q: Based on your radial velocity curve, record the orbital period P in days. This is the time elapsed…
A: 1) The orbital period P is the time elapsed between two subsequent peaks or troughs on the curve.…
Q: Two stars are in a binary system. One is known to have a mass of 0.700 solar masses. If the system…
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Q: 8) Star A has an apparent magnitude of 2.5 and star B has an apparent magnitude of 3.9. Calculate…
A: When studying stars astronomers use two different magnitudes, apparent and absolute magnitude.…
Q: Two stars are in a binary system. One is known to have a mass of 0.700 solar masses. If the system…
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Q: What is the surface temperature of a star that emits light with a wavelength of 400 nanometers?
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Q: If star B is a 5th magnitude star and star C is 9th magnitude, what is their brightness ratio? Light…
A: Apparent magnitude of the star m is the measure of brightness of star from earth. Brightness is also…
Q: In the parallax method of determining stellar distances, the angle to a star is measured while che…
A: Let's assume b=1AU And distance between sun and alpha centaurie is d. θ=2.1x10-4…
Q: Which star is actually dimmer than Arcturus?
A: We know that, Distance magnitude is inversional proportional to Brightness. Greater the magnitude,…
Q: A star has a parallax of 0.8 seconds of arc. What is the distance of the star?
A: Parallax can be defined as the change in the position of an object due to a change in the observer's…
Q: How far away would the Sun need to be to be just visible to the naked eye (apparent magnitude =…
A: Solution: Given that apparent magnitude, m = 5.90 the absolute magnitude of the Sun, M = 4.83
Q: A star is observed at a distance of 90 pc. What will be its parallax angle?
A: Parallax is defined as the change in the apparent position of an object due to a change in the…
Q: 3. The Sun has an apparent visual magnitude of my = -27 and is 150 × 106 km from the Earth. If the…
A: Given: Let us consider the given data, mV=-27 Distance, d=150×106 km 1 pc=3.09×1016 m To find:…
Q: One of the closest stars to the sun has a parallax of 0.5 arcseconds. What is the distance to this…
A: Closest star to the sun has: Parallex=0.5 arcsecond We define distance 'd' to a star is reciprocal…
Q: What star has the largest stellar parallax as measured from opposite ends of the Earth's orbit about…
A: Parallax is the apparent displacement of an object because of a change in the observer's opinion.…
Q: The giant star Betelgeuse has an angular diameter as observed from Earth of about 0.05 arc seconds.…
A: Solution:-
Q: If a star's absolute magnitude value is significantly larger than its apparent magnitude value…
A: Absolute magnitude Mv: The magnitude that a star is expected to have if it were at a distance of 10…
Q: is observed to have a period of 10 yr. The radial velocities of the two stars are determined to v1r…
A: Concept used : Two stars orbiting around each other form a binary star system Given data:-*Time…
Q: A star has an apparent magnitude of 10.0 and an absolute magnitude of 2.5. How far away is it?
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Q: The greatest parallax angle of any star outside our solar system as viewed from Earth is Group of…
A: 1)We know that the parallax angle for the distant star is smaller, and the parallax angle for the…
Q: is
A: The relationship between apparent visual magnitude(m), Absolute visual magnitude(Mv) and distance(d)…
Q: If a star has an apparent magnitude equal to its absolute magnitude, how far away is it in parsecs?
A: Given that :Apparent magnitudemp=Mv
Q: A certain star is 13.7 times dimmer than a star with apparent magnitude m = 3.9. What is the…
A: We are given the ratio of brightness of stars. We are given the apparent magnitude of the brighter…
Q: Star A has an apparent magnitude of –1.5 and is 12.6 light-years from Earth. Star B has an apparent…
A: Given: dA=12.6ly=3.863parsec, dB=15.6ly=4.783parsec, mvA=-1.5, mvB=0.4 The apparent magnitude of a…
Q: The apparent magnitude of a star is (4.3) and the parallax angle is (0.161) arcseconds. The absolute…
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Q: The star Sirius has an apparent magnitude of -1.46 and appears 95-times brighter compared to the…
A: Part a: Magnitude in astronomy is defined as an index for the brightness of a star and is denoted by…
Q: Stars A, B, C, D, and E have apparent magnitudes of 7, 3, -1, 15, and 0, respectively. 1) Which…
A: Here, Apparent Magnitude of Star A=7 B=3 C=-1 D=15 E=0
Q: Given star A with apparent visual magnitude mv = 6.5, and star B with mv = 4.4, what is the flux…
A: Given, star A with apparent visual magnitude mA = 6.5, and star B with mB = 4.4, the flux ratio…
Q: Star 1 and star 2 have the same V-magnitude, V = 7.5. However, they have different B-magnitudes, B1…
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Q: You see a blue star directly over Avalon's equator. It appears to be moving north at 5.0 arcseconds…
A: Given: The star moves north at 5.0 arcseconds per year. To determine: The distance of this star from…
Q: What is the parallax of a star that is 150 pc from Earth?
A: The parallax is given by
Q: How do you calculate the mass of a star?
A: To calculate mass of a single star is a difficult process however to calculate the mass of binary…
Q: Calculate the apparent magnitude of the Sun.
A: The apparent magnitude of a star is how bright the star is as observed from Earth. Apparent…
Q: A star has a distance of 40 pc. What is the parallax of the star?
A: The distance of a star and its parallax are related as, d=1/p, where, d= distance in parsecs, and…
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